Draw IT Network Diagrams Like a Pro Using AutoCAD

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© 1998-2020 NetCom Learning www.netcomlearning.com info@netcomlearning.com 1-888-563-8266||
Draw IT Network
Diagrams Like a Pro
Using AutoCAD
Roger Mujica
NetCom Learning

Introduction to Network diagrams
Types of Network diagrams
How to draw a Network diagram on AutoCAD
Common Network diagram errors
AGENDA

WHAT IS A NETWORK DIAGRAM?
A network diagram is a visual representation of network architecture. It maps out the structure of a
network with a variety of different symbols and line connections.
It is the ideal way to share the layout of a network because the visual presentation makes it easier for
users to understand how items are connected.
What is network topology?
Network topology refers to the arrangement of elements within a network. Like network diagrams, network
topologies can describe either the physical or logical aspects of a network. Logical topology is also known as
signal topology.
Different topologies are best for certain situations, since they can affect performance, stability, and other
outcomes.

TYPES OF NETWORK DIAGRAMS
Network diagrams may include hundreds of different
symbols. These can range from a PC to a complex
server rack to a cloud-based storage system.
Key in mind that the symbols may be brand-specific,
generic, or a combination.
In AutoCAD we can prepare Blocks with these symbols
according to brand-specific or generic, so your
company can create a custom library of symbols for
their own organization or its customers allowing users
to modifying these symbols and adding more to their
workflow.
Sample of Network Symbols

TYPES OF NETWORK DIAGRAMS
Types and Uses of Network Diagrams
Network diagram demonstrates how one
computer or system is associated with
others.
This is very especial and useful when trying
to track down problems or when designing
a new system.
Often the root of a problem can be traced
more easily by observing and analyzing how
the computers and components in the
system are connected.
Bus, linear, Ethernet,
or backbone topology
Token ring topology
Star topology

DRAW IT NETWORK DIAGRAMS LIKE A PRO USING AUTOCAD
❑ Demo in AutoCAD and Sample

The situation wherein you end up
making an endless loop in the
network diagram
The situation where an event is
disconnected from other activity.
While an activity is merging into the
event there is no activity which is
starting or emerging from that event.
The situation does not exist and is
imaginary. It is used in the network
diagram (usually represented by a
dotted arrow) to show dependency or
connectivity between two or more
activities.
COMMON NETWORK DIAGRAM ERRORS
There are 3 most common Network Diagrams errors
• Looping
• Dangling
• Redundancy or Dummy

Samples of Network Diagram Errors
• Looping
1
2
3
4
5
Here we have a looping error where
1-2-3-4 are connecting in and endless
loop

• Dangling
1
2
3
5
4
Here we have a dangling error where
4-5 and 1-2-3 are connected

• Redundancy or Dummy
1
3
2 54
A Dummy Network error occurs here
between 3-4
A B D
C

Some suggestions to avoid having these errors:
• Avoid using arrows that cross each other
• Use straight arrows
• Do not represent time with the length of arrows
• Always use arrows left to right.
• Use minimal dummies (use it for your drafts if needed)
• The network should have only one entry point known as start event and one point of emergence which is
known as the end event.

DRAW IT NETWORK DIAGRAMS LIKE A PRO USING AUTOCAD
SUMMARIZING
As the name suggests, Network Diagrams are a visual representation of a cluster or a small structure
of networking devices. It not only shows the components of this network but also depicts how they are
interconnected.
While network diagrams were initially used to depict devices, it is now widely used for project
management as well.
Network diagrams can be of two types
Physical: This type of network diagram showcases the actual physical relationship between
devices/components which make the network.
Logical: This type of diagram shows how the devices communicate with each other and information
flows through the network. It is mostly used to depict subnets, network devices, and routing protocols.

RECORDED WEBINAR VIDEO
To watch the recorded webinar video for live demos, please access the link:
https://bit.ly/2HG408e
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